<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<div style="width:65px; height:65px; background:#DDD;">
    <button style="width:60px; height:60px; background:#AAA; padding:0;">
        <div style="width:70px; height:70px; border:5px solid;"></div>
    </button>
</div>
</body>
</html>